Competitive downhill ski racers are subjected to severe wind chill, and so are average skiers and snowboarders, to a lesser degree. Assuming a downhill racer is going 80 kmph (50 mph), which is coasting on some runs, and the air temperature is-18°C (0°F), what is the wind chill the skier is feeling on any exposed skin?
What will be an ideal response?
-35°C (-31°F)
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A) ?estuary B) ?plankton C) ?pelagic D) ?benthic
According to the Milankovitch theory, the amount of heat received by Earth greatly varies and
glaciation occurs when solar input is at a low. Indicate whether the statement is true or false.
Choose appropriate way(s) that steep cliffs might impact people living nearby
A. increases area available to grow crops. B. favorable location for livestock grazing. C. easy to build houses on steep cliffs. D. increases landslide hazard.
What dissolved gases are required by nearly all marine organisms?
a. carbon dioxide and nitrogen b. carbon dioxide and sulfide c. carbon dioxide and oxygen d. oxygen and nitrogen e. oxygen and phosphorus